Tools & Wizards About Us

Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

dzwignia.pl

Śruby, gwoździe, nity, wkręty, kotwy, podkładki, nakrętki, blachowkręty, kołki rozporowe. Gdańsk, woj. pomorskie. Zapraszamy po gwoździe, śruby i wkrę...

Page Load Speed

2.8 sec in total

First Response

331 ms

Resources Loaded

2.3 sec

Page Rendered

185 ms

About Website

Welcome to dzwignia.pl homepage info - get ready to check Dzwignia best content right away, or after learning these important things about dzwignia.pl

Artykuły metalowe Gdańsk. Sklep internetowy Dźwignia, woj. pomorskie. Sklep metalowy Dźwignia oferuje: artykuły metalowe, śruby, gwoździe, kotwy, kołki rozporowe, nakrętki, podkładki, blachowkręty, wk...

Visit dzwignia.pl

Key Findings

We analyzed Dzwignia.pl page load time and found that the first response time was 331 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

dzwignia.pl performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

dzwignia.pl

331 ms

www.dzwignia.pl

538 ms

jquery-1.7.1.min.js

349 ms

jquery-ui-1.8.17.custom.css

221 ms

jquery-ui-1.8.17.custom.min.js

432 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 97% of them (62 requests) were addressed to the original Dzwignia.pl, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (652 ms) belongs to the original domain Dzwignia.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 196.2 kB (58%)

Content Size

340.7 kB

After Optimization

144.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Dzwignia.pl main page is 340.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 221.0 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 83.0 kB

  • Original 102.5 kB
  • After minification 100.5 kB
  • After compression 19.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 83.0 kB or 81% of the original size.

Image Optimization

-51%

Potential reduce by 113.2 kB

  • Original 221.0 kB
  • After minification 107.8 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Dzwignia needs image optimization as it can save up to 113.2 kB or 51% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 29 (47%)

Requests Now

62

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dzwignia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dzwignia.pl accessibility score

65

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

dzwignia.pl best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dzwignia.pl SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dzwignia.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Dzwignia.pl main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Dzwignia. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: